removing link to powerboard build

Author: benjamenm03

labs/index.md

@@ -68,8 +68,4 @@ Finishing up postlab 1b to turn the schematic into a finished PCB.
 
 Moving away from the breadboards and creating a custom PCB (Printed Circuit Board) using KiCad.
 
-[Link to lab 7](/labs/lab-7)
-<!--
-## Project
-[Powerboard assembly guide](/project/power-board)
--->
+[Link to lab 7](/labs/lab-7)